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Horned Toad, Kern County, California, USA

FormationHorned Toad
Age:10.3 - 4.9 Ma
Neogene
IntervalLate Hemphillian
Number of Collections1
Number of Occurrences25

Recorded Sample Locations

LocationRegionStratigraphic Name
Sharktooth HillKern County, California, USAHorned Toad

Associated Units

Stratigraphic NameAgeLithologyOccurrence Records
Bopesta20.4 - 13.6 Ma
Miocene
sandstone, siltstone/mudstone, mudstone170
Caliente - Upper10.3 - 4.90 Ma
Neogene
1
Chanac23.0 - 5.33 Ma
Miocene
9
Dove Spring11.6 - 5.33 Ma
Miocene
mudstone115
Dove Spring - Lower Dove Spring13.8 - 11.6 Ma
Miocene
1
Dove Spring - Upper Dove Spring11.6 - 7.25 Ma
Miocene
gravel2
Kern River10.3 - 4.90 Ma
Neogene
11
Kern River Beds13.6 - 10.3 Ma
Miocene
13
Temblor13.8 - 5.33 Ma
Miocene
shale, sandstone, "mixed carbonate-siliciclastic"/sandstone, "mixed carbonate-siliciclastic", sandstone/siltstone, sandstone/"shale", siltstone518
Temblor - Olcese Sand20.4 - 16.0 Ma
Miocene
sandstone6
Temblor - Round Mountain16.0 - 13.6 Ma
Miocene
siltstone119
Tulare1.80 - 0.01 Ma
Pleistocene
sandstone21
Upper Etchegoin4.90 - 1.80 Ma
Cenozoic
1

Recorded Fossils

Accepted NameHierarchyAge
Sphenophalos sp.
genus
6Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Sphenophalos10.3 - 4.9 Ma
Neogene
Camelidae
family
5Animalia : Chordata : Mammalia : Artiodactyla : Camelidae10.3 - 4.9 Ma
Neogene
Megatylopus matthewi
species
7Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Megatylopus : Megatylopus matthewi10.3 - 4.9 Ma
Neogene
Pleiolama vera
species
7Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Pleiolama : Pleiolama vera10.3 - 4.9 Ma
Neogene
Tayassuinae
subfamily
5.3Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : Tayassuinae10.3 - 4.9 Ma
Neogene
Borophagus secundus
species
7Animalia : Chordata : Mammalia : Carnivora : Canidae : Borophagus : Borophagus secundus10.3 - 4.9 Ma
Neogene
Machairodus coloradensis
species
7Animalia : Chordata : Mammalia : Carnivora : Felidae : Amphimachairodus : Machairodus coloradensis10.3 - 4.9 Ma
Neogene
Agriotherium sp.
genus
6Animalia : Chordata : Mammalia : Carnivora : Hemicyonidae : Agriotherium10.3 - 4.9 Ma
Neogene
Hypolagus edensis
species
7Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Hypolagus : Hypolagus edensis10.3 - 4.9 Ma
Neogene
Hypolagus vetus
species
7Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Hypolagus : Hypolagus vetus10.3 - 4.9 Ma
Neogene
Scapanus sp.
genus
6Animalia : Chordata : Mammalia : Soricomorpha : Talpidae : Scapanus10.3 - 4.9 Ma
Neogene
Cryptotis sp.
genus
6Animalia : Chordata : Mammalia : Soricomorpha : Soricidae : Cryptotis10.3 - 4.9 Ma
Neogene
Dinohippus leidyanus
species
7Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Dinohippus : Dinohippus leidyanus10.3 - 4.9 Ma
Neogene
Teleoceras sp.
genus
6Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Teleoceras10.3 - 4.9 Ma
Neogene
Rhynchotherium falconeri
species
7Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae : Rhynchotherium : Rhynchotherium falconeri10.3 - 4.9 Ma
Neogene
Mammut matthewi
species
7Animalia : Chordata : Mammalia : Proboscidea : Mammutidae : Mammut : Mammut matthewi10.3 - 4.9 Ma
Neogene
Antecalomys valensis
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Antecalomys : Antecalomys valensis10.3 - 4.9 Ma
Neogene
Calomys (Bensonomys) gidleyi
species
7Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Bensonomys : Calomys (Bensonomys) gidleyi10.3 - 4.9 Ma
Neogene
Cricetidae
family
5Animalia : Chordata : Mammalia : Rodentia : Cricetidae10.3 - 4.9 Ma
Neogene
Jacobsomys dailyi
species
7Animalia : Chordata : Mammalia : Rodentia : Muridae : Jacobsomys : Jacobsomys dailyi10.3 - 4.9 Ma
Neogene
Repomys gustelyi
species
7Animalia : Chordata : Mammalia : Rodentia : Muridae : Repomys : Repomys gustelyi10.3 - 4.9 Ma
Neogene
Geomyidae
family
5Animalia : Chordata : Mammalia : Rodentia : Geomyidae10.3 - 4.9 Ma
Neogene
Prothomomys warrenensis
species
7Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Prothomomys : Prothomomys warrenensis10.3 - 4.9 Ma
Neogene
Perognathus sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Perognathus10.3 - 4.9 Ma
Neogene
Spermophilus sp.
genus
6Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Spermophilus10.3 - 4.9 Ma
Neogene

References

Reynolds R. E., Reynolds R. L., et al (1991) , San Bernardino County Museum Association Quarterly 38 3
Alroy J. (2002) Synonymies and reidentifications of North American fossil mammals
May S. R., Woodburne M. O., et al (2011) Geology and mammalian paleontology of the Horned Toad Hills, Mojave Desert, California, USA, Palaeontologia Electronica 13 3, 28A
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
 
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